Tennis star Novak Djokovic gives 7 lessons on the fundamentals of tennis and one wicked John McEnroe impression. Subscribe to TIME ►► http://po.st/SubscribeTIME Get closer to the world of entertainment and celebrity news as TIME gives you access and insight on the people who make what you watch, read and share. https://www.youtube.com/playlist?list=PL2EFFA5DB900C633F Money helps you learn how